Osteopontin: an early innate immune marker of Escherichia coli mastitis harbors genetic polymorphisms with possible links with resistance to mastitis

Table 8 Descriptive statistics of the EBVs for the SCS trait for the Holstein bulls^a.

EBV^b units					Bulls selected for SNP mining
	Bulls' cohort				Low EBV for SCS				High EBV for SCS
	Nb	Mean	± SD	[min-max]	Nb	Mean	± SD	[min-max]	Nb	mean	± SD	[min-max]
SCS	578	3.01	± 0.35	[2.34-4.16]	51	2.48	± 0.07	[2.34-2.72]	50	3.72	± 0.17	[2.99-4.16]
SCS1	521	3.00	± 0.31	[2.36-4.36]	49	2.53	± 0.08	[2.36-2.65]	45	3.63	± 0.18	[3.37-4.36]
SCS2	521	3.00	± 0.37	[2.28-4.12]	49	2.47	± 0.09	[2.29-2.62]	45	3.76	± 0.15	[3.40-4.12]
SCS3	521	3.03	± 0.41	[2.08-4.15]	49	2.42	± 0.13	[2.13-2.70]	45	3.82	± 0.19	[3.42-4.26]
	Breed average: 3.00				Selected sub-group average: 3.09

^a EBV values from the Canadian Dairy Network database, evaluation published on August 2008
^b EBVs are calculated for the respective lactation: over all (SCS), first (SCS1), second (SCS2), and third (SCS3) lactations.

ISSN: 1471-2164